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Quantum Theory from Rules on Information Acquisition

1
Vienna Center for Quantum Science and Technology, University of Vienna, Boltzmanngasse 5, 1090 Vienna, Austria
2
Institute for Quantum Optics and Quantum Information, Austrian Academy of Sciences, Boltzmanngasse 3, 1090 Vienna, Austria
Academic Editors: Giacomo Mauro D’Ariano and Paolo Perinotti
Entropy 2017, 19(3), 98; https://doi.org/10.3390/e19030098
Received: 23 January 2017 / Accepted: 17 February 2017 / Published: 3 March 2017
(This article belongs to the Special Issue Quantum Information and Foundations)
We summarize a recent reconstruction of the quantum theory of qubits from rules constraining an observer’s acquisition of information about physical systems. This review is accessible and fairly self-contained, focusing on the main ideas and results and not the technical details. The reconstruction offers an informational explanation for the architecture of the theory and specifically for its correlation structure. In particular, it explains entanglement, monogamy and non-locality compellingly from limited accessible information and complementarity. As a by-product, it also unravels new ‘conserved informational charges’ from complementarity relations that characterize the unitary group and the set of pure states. View Full-Text
Keywords: reconstruction of quantum theory; entanglement; monogamy; quantum non-locality; conserved informational charges; limited information; complementarity; characterization of unitary group and state spaces reconstruction of quantum theory; entanglement; monogamy; quantum non-locality; conserved informational charges; limited information; complementarity; characterization of unitary group and state spaces
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Höhn, P.A. Quantum Theory from Rules on Information Acquisition. Entropy 2017, 19, 98.

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